General Information
capture
Big Sable Creek Complex
14
Hart, Kristen
Hart, Kristen - Phone Number: (954) 650-0336, Email: Kristen_Hart@usgs.gov
Duke University Marine Laboratory, United States Geological Survey - Davie Field Office
university, federal agency
Active
11/2006
n/a
Equipment and Methods
dip net, pound net, set net
Sampling and Effort
| Visual | Capture | |
|---|---|---|
| Sampling regime: | annually | annually |
| Measure of effort: | cap/area |
algae mat, mangroves, mud
neritic
estuarine
0
3.5
0.9
Captures and Sightings Information
| Species | No. of Captures |
No. of Sightings |
Min Size* (cm) |
Max Size* (cm) |
Mean Size* (cm) |
FP Observed |
Life Stages** | Comments |
|---|---|---|---|---|---|---|---|---|
| Green Turtle (Cm) | 12 | 74 | 27.0 | 67.5 | 41.5 | No | n/r | |
| Loggerhead (Cc) | 0 | 8 | 0.0 | 0.0 | 0.0 | n/a | n/a | |
| Kemp's Ridley (Lk) | 0 | n/a | 0.0 | 0.0 | 0.0 | n/a | n/a | |
| Hawksbill (Ei) | 0 | 1 | 0.0 | 0.0 | 0.0 | n/a | n/a | |
| Leatherback (Dc) | 0 | n/a | 0.0 | 0.0 | 0.0 | n/a | I |
** For Cm, Cc, Lk, & Ei: O - Oceanic-stage juvenile; N - Neritic-stage juvenile; S - Subadult; A - Adult. For Dc: I - Immature; A - Adult. n/a = not applicable; n/r = not reported.
This report adheres to the following size ranges for life stage classification for these species:
| Green turtle | Loggerhead | Kemp's ridley | Hawksbill | |
|---|---|---|---|---|
| Oceanic-stage juvenile | < 25 cm SCL | < 30 cm SCL | < 25 cm SCL | < 25 cm SCL |
| Neritic-stage juvenile | 25-69 cm SCL | 30-69 cm SCL | 25-39 cm SCL | 25-64 cm SCL |
| Subadult | 70-84 cm SCL | 70-79 cm SCL | 40-59 cm SCL | 65-74 cm SCL |
| Adult | ≥ 85 cm SCL | ≥ 80 cm SCL | ≥ 60 cm SCL | ≥ 75 cm SCL |
| Leatherback | |
|---|---|
| Immature | < 135 cm OCL |
| Adult | ≥ 135 cm OCL |
Other Information Collected
| diet |
| satellite tracking |
| stable isotopes |
Project Summary
Juvenile green turtles had been observed in the creeks around Cape Sable, precipitating this capture-based project. Sampling began in 2006 using pound nets and dip nets. Future sampling will employ tangle nets.
Documents
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